Results 1 to 10 of about 288,653 (180)
Evaluation of UV/TiO2/H2O2 photocatalysis for the removal of perfluorinated organic compounds from water [PDF]
Conventional processes do not eliminate PFAS in wastewater treatment plants, so they are found in trace concentrations in wastewater and rivers. Perfluorinated organic pollutants (PFAs) are toxic and persistent, that have a significant risk to human ...
María Lizeth Marín Marín +1 more
doaj +2 more sources
Comprehensive Biomarker Assessment of Pesticide Exposure and Telomere Attrition in Mexican Children from Agricultural Communities [PDF]
Children are more vulnerable to the adverse effects of pesticides due to physiological factors and behavioral habits. This study aimed to evaluate the impact of pesticide exposure on telomere length (TL) and the enzymatic activity of acetylcholinesterase
Miguel Alfonso Ruiz-Arias +10 more
doaj +2 more sources
The Relationship between Cancer and Paraoxonase 1
Extensive research has been carried out to understand and elucidate the mechanisms of paraoxonase 1 (PON1) in the development of diseases including cancer, cardiovascular diseases, neurological diseases, and inflammatory diseases.
Irma Martha Medina-Díaz +7 more
doaj +1 more source
Residuos de acaricidas en leche entera bovina de Costa Rica
Introducción: En Costa Rica se procesan anualmente 681 millones de litros de leche, debido al alto consumo per cápita que es de 216 kilogramos, por lo que es particularmente importante evitar los efectos tóxicos de la leche contaminada, asociados a ...
Cecilia Alvarado Vega +5 more
doaj +1 more source
Spatiotemporal Variations in Chemical Composition of Wet Atmospheric Deposition in Mexico City
A comprehensive analysis of the chemical composition of wet atmospheric deposition was performed on 7048 samples collected between 2003 and 2021 over Mexico City. The descending ion abundance trend was NH4+ > SO42− > NO3− > Ca2+ > Cl− > H+ > Mg2+ > Na+ >
Elizabeth Vega +5 more
doaj +1 more source
The work presented is a preliminary study for the development of a method for the extraction of pesticides from wax samples by means of superficial fluid extraction.
M López-Mesas +4 more
doaj +1 more source
Extraction and clean-up of pesticides from fatty samples
The extraction of pesticides from fatty samples is a problem extensively studied. In this paper, the main techniques for the extraction of pesticides from fatty samples are reviewed.
M. López-Mesas, M. Crespi
doaj +1 more source
The treatment of stabilized leachate from the Curva de Rodas landfill site in Medellin, Colombia, was evaluated using horizontal subsurface flow constructed wetlands (HSSF) planted with Phragmites australis at pilot scale.
Fabián A. Úsuga +3 more
doaj +1 more source
Atmospheric Emissions in Ports Due to Maritime Traffic in Mexico
Atmospheric emissions from vessels at 38 Pacific and Gulf-Caribbean Mexican ports were determined for nitrogen oxides, sulfur dioxide, particulates, carbon monoxide, non-methane volatile organic compounds, and carbon dioxide.
Gilberto Fuentes García +6 more
doaj +1 more source
Determination of biosorption mechanism in biomass of agave, using spectroscopic and microscopic techniques for the purification of contaminated water [PDF]
[Abstract] Lead (Pb2+) and copper (Cu2+) are polluting metals due to their toxicity; however, the extraction of these metals is essential for economic development, so it is important to look for efficient and low-cost alternatives that can remove heavy ...
Barriada, José Luis +6 more
core +1 more source

